package com.hypixel.hytale.protocol.packets.auth;
import com.hypixel.hytale.protocol.Packet;
import com.hypixel.hytale.protocol.io.PacketIO;
import com.hypixel.hytale.protocol.io.ProtocolException;
import com.hypixel.hytale.protocol.io.ValidationResult;
import com.hypixel.hytale.protocol.io.VarInt;
import io.netty.buffer.ByteBuf;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class Status implements Packet {
public static final int PACKET_ID = 10;
public static final boolean IS_COMPRESSED = false;
public static final int NULLABLE_BIT_FIELD_SIZE = 1;
public static final int FIXED_BLOCK_SIZE = 9;
public static final int VARIABLE_FIELD_COUNT = 2;
public static final int VARIABLE_BLOCK_START = 17;
public static final int MAX_SIZE = 2587;
@Nullable
public String name;
@Nullable
public String motd;
public int playerCount;
public int maxPlayers;
public int getId() {
return 10;
}
public Status() {
}
public Status(@Nullable String name, @Nullable String motd, int playerCount, int maxPlayers) {
this.name = name;
this.motd = motd;
this.playerCount = playerCount;
this.maxPlayers = maxPlayers;
}
public Status(@Nonnull Status other) {
this.name = other.name;
this.motd = other.motd;
this.playerCount = other.playerCount;
this.maxPlayers = other.maxPlayers;
}
@Nonnull
public static Status deserialize(@Nonnull ByteBuf buf, int offset) {
Status obj = new Status();
byte nullBits = buf.getByte(offset);
obj.playerCount = buf.getIntLE(offset + 1);
obj.maxPlayers = buf.getIntLE(offset + 5);
if ((nullBits & 1) != 0) {
int varPos0 = offset + 17 + buf.getIntLE(offset + 9);
int nameLen = VarInt.peek(buf, varPos0);
if (nameLen < 0) {
throw ProtocolException.negativeLength("Name", nameLen);
}
if (nameLen > 128) {
throw ProtocolException.stringTooLong("Name", nameLen, 128);
}
obj.name = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
}
if ((nullBits & 2) != 0) {
int varPos1 = offset + 17 + buf.getIntLE(offset + 13);
int motdLen = VarInt.peek(buf, varPos1);
if (motdLen < 0) {
throw ProtocolException.negativeLength("Motd", motdLen);
}
if (motdLen > 512) {
throw ProtocolException.stringTooLong("Motd", motdLen, 512);
}
obj.motd = PacketIO.readVarString(buf, varPos1, PacketIO.UTF8);
}
return obj;
}
public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
byte nullBits = buf.getByte(offset);
int maxEnd = 17;
if ((nullBits & 1) != 0) {
int fieldOffset0 = buf.getIntLE(offset + 9);
int pos0 = offset + 17 + fieldOffset0;
int sl = VarInt.peek(buf, pos0);
pos0 += VarInt.length(buf, pos0) + sl;
if (pos0 - offset > maxEnd) {
maxEnd = pos0 - offset;
}
}
if ((nullBits & 2) != 0) {
int fieldOffset1 = buf.getIntLE(offset + 13);
int pos1 = offset + 17 + fieldOffset1;
int sl = VarInt.peek(buf, pos1);
pos1 += VarInt.length(buf, pos1) + sl;
if (pos1 - offset > maxEnd) {
maxEnd = pos1 - offset;
}
}
return maxEnd;
}
public void serialize(@Nonnull ByteBuf buf) {
int startPos = buf.writerIndex();
byte nullBits = 0;
if (this.name != null) {
nullBits = (byte)(nullBits | 1);
}
if (this.motd != null) {
nullBits = (byte)(nullBits | 2);
}
buf.writeByte(nullBits);
buf.writeIntLE(this.playerCount);
buf.writeIntLE(this.maxPlayers);
int nameOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int motdOffsetSlot = buf.writerIndex();
buf.writeIntLE(0);
int varBlockStart = buf.writerIndex();
if (this.name != null) {
buf.setIntLE(nameOffsetSlot, buf.writerIndex() - varBlockStart);
PacketIO.writeVarString(buf, this.name, 128);
} else {
buf.setIntLE(nameOffsetSlot, -1);
}
if (this.motd != null) {
buf.setIntLE(motdOffsetSlot, buf.writerIndex() - varBlockStart);
PacketIO.writeVarString(buf, this.motd, 512);
} else {
buf.setIntLE(motdOffsetSlot, -1);
}
}
public int computeSize() {
int size = 17;
if (this.name != null) {
size += PacketIO.stringSize(this.name);
}
if (this.motd != null) {
size += PacketIO.stringSize(this.motd);
}
return size;
}
public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
if (buffer.readableBytes() - offset < 17) {
return ValidationResult.error("Buffer too small: expected at least 17 bytes");
} else {
byte nullBits = buffer.getByte(offset);
if ((nullBits & 1) != 0) {
int nameOffset = buffer.getIntLE(offset + 9);
if (nameOffset < 0) {
return ValidationResult.error("Invalid offset for Name");
}
int pos = offset + 17 + nameOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Name");
}
int nameLen = VarInt.peek(buffer, pos);
if (nameLen < 0) {
return ValidationResult.error("Invalid string length for Name");
}
if (nameLen > 128) {
return ValidationResult.error("Name exceeds max length 128");
}
pos += VarInt.length(buffer, pos);
pos += nameLen;
if (pos > buffer.writerIndex()) {
return ValidationResult.error("Buffer overflow reading Name");
}
}
if ((nullBits & 2) != 0) {
int motdOffset = buffer.getIntLE(offset + 13);
if (motdOffset < 0) {
return ValidationResult.error("Invalid offset for Motd");
}
int pos = offset + 17 + motdOffset;
if (pos >= buffer.writerIndex()) {
return ValidationResult.error("Offset out of bounds for Motd");
}
int motdLen = VarInt.peek(buffer, pos);
if (motdLen < 0) {
return ValidationResult.error("Invalid string length for Motd");
}
if (motdLen > 512) {
return ValidationResult.error("Motd exceeds max length 512");
}
pos += VarInt.length(buffer, pos);
pos += motdLen;
if (pos > buffer.writerIndex()) {
return ValidationResult.error("Buffer overflow reading Motd");
}
}
return ValidationResult.OK;
}
}
public Status clone() {
Status copy = new Status();
copy.name = this.name;
copy.motd = this.motd;
copy.playerCount = this.playerCount;
copy.maxPlayers = this.maxPlayers;
return copy;
}
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (!(obj instanceof Status)) {
return false;
} else {
Status other = (Status)obj;
return Objects.equals(this.name, other.name) && Objects.equals(this.motd, other.motd) && this.playerCount == other.playerCount && this.maxPlayers == other.maxPlayers;
}
}
public int hashCode() {
return Objects.hash(new Object[]{this.name, this.motd, this.playerCount, this.maxPlayers});
}
}